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Serum or Plasma Substance Concentration (Bromocresol Green Dye Binding)

Published: August 9, 2026Updated: August 16, 2026

This test measures how much of a specific protein in your blood binds to bromocresol green dye, which helps assess liver function and protein synthesis.

Quick summary

["This test evaluates liver health by tracking protein production and function."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
7772-7
Short code
Wheat BasoBnd Ab Qn
Synonyms
Wheat BasoBnd Ab Qn
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
lhr
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Matters

Your liver plays a crucial role in producing proteins that are essential for many bodily functions. This test checks how well your liver can make these proteins by observing how bromocresol green dye binds to them. Abnormal results may indicate liver disease or dysfunction.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to fast for 8–12 hours before the test if it’s part of a liver function panel. Bring any medications you’re currently taking to your doctor’s office.

What the Test Involves

A healthcare provider will draw blood from a vein in your arm. The blood sample is then sent to a lab where it’s analyzed to measure the protein’s ability to bind the dye. The result is reported as a concentration value.

Possible Results and Their Meaning

Results may be compared to a reference range provided by your healthcare provider. Lower than expected values could suggest liver disease, malnutrition, or kidney problems. Higher values may indicate dehydration or certain liver conditions.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is often used alongside other liver function tests to diagnose or monitor conditions like cirrhosis, hepatitis, or protein malnutrition. It can also help assess how well a liver is recovering from injury or surgery.

Short name

BCG Dye Binding Test

Frequently asked questions

What causes abnormal results in this test?
Abnormal results may be caused by liver diseases (such as cirrhosis or hepatitis), malnutrition, kidney problems, or conditions that affect protein synthesis. Your doctor will review your full medical history and other test results to determine the cause.
How often should I get this test?
Your doctor will determine how often you need this test based on your health condition. Some people may need it yearly if they have a chronic liver condition, while others may only need it occasionally for monitoring.
Can diet or medications affect this test?
Yes, certain medications (like some antibiotics or diuretics) or dietary changes (such as fasting) can influence results. Always inform your healthcare provider about all medications and supplements you take before the test.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy